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| author |   Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-11-21 18:18:44 +0000 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-11-22 11:24:56 +0000 |
| commit | c84b27054643db73e56a5e933191bda435b6c46e (patch) | |
| tree | 05f666a7e860982ebab99c44de99b9dd268c7012 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | drm/i915/selftests: Avoid drm_gem_handle_create under struct_mutex (diff) | |
| download | linux-dev-c84b27054643db73e56a5e933191bda435b6c46e.tar.xz linux-dev-c84b27054643db73e56a5e933191bda435b6c46e.zip | |
drm/i915: Extract intel_get_cagf
Code to be shared between debugfs and the PMU implementation.
v2: Checkpatch cleanup.
v3: Also consolidate i915_sysfs.c/gt_act_freq_mhz_show.
v4: Rebase.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171121181852.16128-1-tvrtko.ursulin@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index e445ec174831..f1dc36c1fd69 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -9468,3 +9468,17 @@ u64 intel_rc6_residency_us(struct drm_i915_private *dev_priv, intel_runtime_pm_put(dev_priv); return DIV_ROUND_UP_ULL(time_hw * units, div); } + +u32 intel_get_cagf(struct drm_i915_private *dev_priv, u32 rpstat) +{ + u32 cagf; + + if (INTEL_GEN(dev_priv) >= 9) + cagf = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT; + else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) + cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; + else + cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; + + return cagf; +} |